Sum Is vs Sum
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sum Is
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Welcome to the Ultimate Number Puzzle Challenge! If you love math puzzles, number games, brain training, and fast-paced competition, this is the perfect game for you. Our game brings you a 4×4 number grid, an ever-changing target number, and a thrilling 90-second challenge that tests your speed, focus, and strategy. Play solo or compete with players around the world — everyone gets the same grid in real time, making the competition fair, skill-based, and addictive! This is not just another number game. It’s a smart blend of math, logic, pattern recognition, and quick thinking condensed into an exciting 1.5-minute round. Whether you're a casual gamer looking for fun, a student trying to improve mental math skills, or a puzzle master searching for your next obsession — this game is built for you. -> How the Game Works Every match gives you a new 4×4 matrix filled with numbers from 1 to 9. On top of the screen, you see the target number. Your task is simple: -> Select a combination of tiles whose sum matches the target number. -> Submit and earn points instantly. -> Continue making combinations as fast as you can before time runs out! Each combination you find tests your math skills, memory, and decision-making. As you progress through the match, your brain begins to recognize patterns faster — turning this into a true test of speed and intellect. Why Players Love This Game This game is designed to hit the sweet spot between simplicity and challenge. Players love: The quick 1.5 minute games The equal grid for all players The fair and competitive leaderboard The simple but highly addictive gameplay The brain-boosting mental math practice The thrill of beating your own high score The feeling of improving with every round If you enjoy games that sharpen your skills while keeping you entertained, this puzzle will keep you hooked for hours! -> A Perfect Mix of Fun and Brain Training This is more than just a game — it’s a full mental workout packed into a short burst of gameplay. Playing daily can: -> Improve your mental math speed -> Enhance pattern recognition -> Strengthen short-term memory -> Increase focus and concentration -> Sharpen decision-making under pressure Whether you're preparing for competitive exams, boosting your brain health, or just relaxing after a long day — this game trains your mind naturally while keeping the fun alive. -> Multiplayer Fun with Global Competition Every 1.5-minute session is a global match where everyone sees the same grid. This makes every game: -> Fair — no randomness advantage -> Competitive — real-time high scores -> Engaging — you know others are solving the same puzzle Once the timer ends, you instantly see the live leaderboard — giving you that satisfying feeling of competition and progress. Compete against friends, family, or thousands of players worldwide. -> Features That Make the Game Stand Out -> Simple to Play, Hard to Master The rules are easy, but mastering the game requires smart thinking, quick calculation, and clever tile selection. -> 90 Seconds of Pure Strategy Short rounds mean you can play anytime — during breaks, while commuting, or when you want a quick brain refresher. -> Same Puzzle for Everyone You can compete with: Friends Family Colleagues Or thousands of global players Whether you’re trying to stay in the top 10 or surpass your previous high score, the competitive element keeps the game exciting and rewarding. -> Built for All Age Groups This is one of the rare games that’s enjoyable and beneficial for all ages: -> Kids – Improve basic math skills -> Students – Improve calculation speed -> Adults – Sharpen focus -> Seniors – Keep the brain active The more you play, the more your brain adapts — and soon you’ll find yourself solving sums faster than ever before.
Sum
This game challenges you to find sums from a grid of numbers before time runs out. It offers multiple modes, from fast-paced challenges to relaxed untimed play, and helps improve mental agility and logic skills.
- Timed addition challenges
- Four distinct game modes
- Offline play supported
- Compete with friends
- Detailed progress statistics
- Sleek user interface
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Introducing 'Sum: Simple Math Puzzle', a captivating and mentally invigorating game that will transform the way you think about basic math. Is there anything more fundamental than addition? Yet how challenging can it be when the clock is ticking, the stakes are high, and you're racing against time? We invite you to step up and find out! At the heart of our game is a simple yet intriguing premise: a 3x3 grid randomly filled with 5 numbers. Your task? Make as many correct sums as possible before time runs out. But it's not all that straightforward. We offer four stimulating game modes, each delivering a unique flavor of fun and intensity: > Classic: Dive into 90 intense seconds of mental agility, where every correct sum you find rewards you with additional time. But be careful - an incorrect sum could cost you precious seconds! > Rush: The adrenaline-packed mode where every second counts. Make as many correct combinations as possible in 90 seconds. There are no time extensions or deductions - only pure, fast-paced fun. > Infinity: Fancy a relaxed, untimed experience to refine your skills or unwind after a long day? Infinity mode lets you play at your own pace, with no time constraints. > Epic: For those who enjoy a good challenge, our Epic mode presents a given sum upfront. Your mission? Find numbers from a filled up grid to form the sum. Same time rules apply! Master the rules of the game - select the sum first, then pick the two numbers that add up to it. A correct combination looks like 20 = 8 + 12 or 20 = 12 + 8, not the other way around! As you ace each level, you'll earn bonus time to help you reach even greater heights. There are plenty of opportunities to earn bonus points, especially in Classic mode. 'Sum: Simple Math Puzzle' also offers: - Various levels of difficulty to keep the challenge fresh. - The chance to compete with friends and establish mathematical dominance. - Offline mode, so you can enjoy our game without internet. - A compact size that won't crowd your device. - A sleek, visually pleasing user interface. - Detailed statistics to help track your progress and improve your performance. Math isn't just about numbers, it's about logic, speed, and fun! 'Sum: Simple Math Puzzle' combines all these aspects into a highly addictive game that will not only entertain but also help enhance your mental agility. It's not just about fun; it's also a brain training exercise scientifically proven to stimulate faster thinking and response. Note: The fun, the challenge, and the benefits are all real. Download 'Sum: Simple Math Puzzle' today and immerse yourself in the most intriguing math-based puzzle game on the App Store. Enjoy! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Sum Is at none against Sum's 1. Sum Is also leads on iOS requirement (15.0 vs 17.6). Sum's advantage is update cadence (every 3 days vs every 4 months). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Sum sells 1 in-app purchase, starting at $1.99 per month. Sum Is asks for nothing beyond the download.
Sum Is ships an update every 4 months, Sum every 3 days. The most recent releases landed on September 22, 2026 and August 31, 2026 respectively.
| Parameter | Sum Is | Sum |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months | Every 3 days — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 43 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Vijay Kumar Meena | Rajat Vaghani |
In-app purchases
Sum Is
No in-app purchases
Sum
- Monthly Subscription$1.991 Month








